Is the Orion 12/27.6 worth it for charging a 24 V bank?

It works well for modest 24 V banks, delivering up to 12 A at 27.6 V. For large banks the charge current is low, so expect slow charging.

Can I adjust the output voltage?

Yes. A potentiometer lets you trim the 27.6 V output, which helps match different battery charging profiles. Check your battery maker's absorption voltage before setting it.

Does it isolate the input from the output?

Yes. Isolation is rated above 400 Vrms between input, output and case, which protects the 12 V side from faults on the 24 V side.

How much heat does it produce at full load?

At about 85% efficiency and roughly 330 W output, it dissipates tens of watts as heat. Mount it with airflow and expect the fan to run at full load.

The converter itself, typically with mounting hardware and a manual. Cables and fuses are not usually included, so plan for your own wiring and protection.

Prices vary by Victron dealer and rarely discount deeply. Compare several marine and off-grid retailers, and watch for seasonal sales.

Victron Energy

Orion 12/27,6-12

Last price we saw

$133.37last seen Oct 31

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Our take on the Orion 12/27,6-12

The Victron Energy Orion 12/27.6 is an isolated DC-DC converter that steps 12 V battery power up to a regulated 27.6 V at up to 12 A (about 330 W). It is aimed at charging 24 V battery banks or running 24 V loads from a 12 V system, and the output is adjustable with a potentiometer. Isolation is rated above 400 Vrms between input, output and case, and a fan handles cooling at full load. It is a niche component rather than a consumer gadget, so pricing depends on the Victron dealer you buy from.

Best forCharging a 24 V battery bank from a 12 V systemRunning 24 V equipment in a 12 V vehicle or boat